String className = configuration.getEngineDefaults().getCluster().getClusterConfiguratorClass();
Configurator configurator = (Configurator) JavaClassHelper.instantiate(Configurator.class, className);
return configurator.configure(new ConfiguratorContext(providerURINonNull, runtimes), configuration);
}
return new EPServiceProviderImpl(configuration, providerURINonNull, runtimes);
}